{"id":18233,"date":"2025-08-25T18:56:33","date_gmt":"2025-08-25T09:56:33","guid":{"rendered":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/?p=18233"},"modified":"2025-08-25T18:56:34","modified_gmt":"2025-08-25T09:56:34","slug":"pi%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%ef%bc%9a%e5%86%86%e5%91%a8%e7%8e%87%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%9f%e6%ad%a3%e7%a2%ba%e3%81%aa%e8%a8%88%e7%ae%97%e3%82%92%e8%a1%8c%e3%81%86","status":"publish","type":"post","link":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/18233\/","title":{"rendered":"PI\u95a2\u6570\u306e\u4f7f\u3044\u65b9\uff1a\u5186\u5468\u7387\u3092\u4f7f\u3063\u305f\u6b63\u78ba\u306a\u8a08\u7b97\u3092\u884c\u3046\u65b9\u6cd5"},"content":{"rendered":"

PI\u95a2\u6570\u306f\u3001\u6570\u5b66\u5b9a\u6570\u03c0\uff08\u5186\u5468\u7387\uff09\u306e\u5024\u3092\u8fd4\u3059\u30a8\u30af\u30bb\u30eb\u306e\u6570\u5b66\u95a2\u6570\u3067\u3059\u3002\u7d043.14159265358979\u3068\u3044\u304615\u6841\u306e\u7cbe\u5ea6\u3067\u5186\u5468\u7387\u3092\u63d0\u4f9b\u3057\u3001\u5186\u306e\u9762\u7a4d\u3084\u5186\u5468\u3001\u7403\u306e\u4f53\u7a4d\u3001\u4e09\u89d2\u95a2\u6570\u306e\u8a08\u7b97\u306a\u3069\u3001\u69d8\u3005\u306a\u5e7e\u4f55\u5b66\u7684\u8a08\u7b97\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u5efa\u7bc9\u8a2d\u8a08\u3001\u88fd\u9020\u696d\u3001\u7269\u7406\u8a08\u7b97\u3001\u7d71\u8a08\u5206\u6790\u306a\u3069\u3001\u6b63\u78ba\u306a\u5186\u5468\u7387\u304c\u5fc5\u8981\u306a\u5834\u9762\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001PI\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u6cd5\u3001\u4ed6\u306e\u95a2\u6570\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u307e\u3067\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n

<\/div>

PI\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n

PI\u95a2\u6570\u3068\u306f<\/h3>\n

PI\u95a2\u6570\u306f\u3001\u5f15\u6570\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u95a2\u6570\u306e\u4e00\u3064\u3067\u3001\u6570\u5b66\u5b9a\u6570\u03c0\uff08\u30d1\u30a4\uff09\u306e\u5024\u3092\u8fd4\u3057\u307e\u3059\u3002<\/b><\/span>\u624b\u52d5\u30673.14\u30843.14159\u3068\u5165\u529b\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001PI\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5e38\u306b\u9ad8\u7cbe\u5ea6\u306e\u5186\u5468\u7387\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u95a2\u6570\u306e\u6700\u5927\u306e\u5229\u70b9\u306f\u3001\u8a08\u7b97\u306e\u7cbe\u5ea6\u3068\u4e00\u8cab\u6027\u3067\u3059\u3002\u8907\u6570\u306e\u7b87\u6240\u3067\u5186\u5468\u7387\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001PI()\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u5165\u529b\u30df\u30b9\u3092\u9632\u304e\u3001\u3059\u3079\u3066\u306e\u8a08\u7b97\u3067\u540c\u3058\u7cbe\u5ea6\u306e\u5024\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u57fa\u672c\u69cb\u6587\u3068\u7279\u5fb4<\/h3>\n

PI\u95a2\u6570\u306e\u69cb\u6587\uff1a<\/strong><\/p>\n

=PI( )<\/p>\n

\n
PI\u95a2\u6570\u306e\u7279\u5fb4<\/strong><\/span><\/div>\n
    \n
  • \u5f15\u6570\u306f\u4e0d\u8981\uff08\u62ec\u5f27\u306f\u5fc5\u8981\uff09<\/li>\n
  • \u5e38\u306b\u540c\u3058\u5024\uff083.14159265358979\uff09\u3092\u8fd4\u3059<\/li>\n
  • 15\u6841\u306e\u7cbe\u5ea6\u3092\u6301\u3064<\/li>\n
  • \u4ed6\u306e\u95a2\u6570\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u53ef\u80fd<\/li>\n<\/ul>\n<\/div>\n

    \u57fa\u672c\u7684\u306a\u8a08\u7b97\u4f8b<\/h3>\n

    \u5186\u306e\u9762\u7a4d\u8a08\u7b97\uff1a\u534a\u5f845cm\u306e\u5186\u306e\u9762\u7a4d<\/p>\n

    =PI()*5^2<\/p>\n

    \u7d50\u679c\uff1a\u7d0478.54\u5e73\u65b9cm<\/p>\n

    \u5186\u5468\u306e\u8a08\u7b97\uff1a\u76f4\u5f8410m\u306e\u5186\u5468<\/p>\n

    =PI()*10<\/p>\n

    \u7d50\u679c\uff1a\u7d0431.42m<\/p>\n

    \u7403\u306e\u4f53\u7a4d\u8a08\u7b97\uff1a\u534a\u5f843cm\u306e\u7403\u306e\u4f53\u7a4d<\/p>\n

    =(4\/3)*PI()*3^3<\/p>\n

    \u7d50\u679c\uff1a\u7d04113.10\u7acb\u65b9cm<\/p>\n

    \u89d2\u5ea6\u5909\u63db\uff08\u5ea6\u304b\u3089\u30e9\u30b8\u30a2\u30f3\uff09\uff1a180\u5ea6\u3092\u30e9\u30b8\u30a2\u30f3\u306b\u5909\u63db<\/p>\n

    =180*PI()\/180<\/p>\n

    \u7d50\u679c\uff1a3.14159…\uff08\u03c0\u30e9\u30b8\u30a2\u30f3\uff09<\/p>\n

    PI\u95a2\u6570\u3092\u4f7f\u3046\u5229\u70b9<\/h3>\n

    \u624b\u5165\u529b\u3068\u306e\u6bd4\u8f03\uff1a<\/strong><\/p>\n

    \u624b\u5165\u529b\uff1a=3.14*5^2\u00a0 \u00a0 \u00a0 \u7d50\u679c\uff1a78.5<\/p>\n

    PI\u95a2\u6570\uff1a=PI()*5^2\u00a0 \u00a0 \u00a0 \u7d50\u679c\uff1a78.539816…<\/p>\n

    \u5dee\uff1a\u7d040.04\uff08\u7cbe\u5ea6\u306e\u9055\u3044\uff09<\/p>\n

    \u4e00\u8cab\u6027\u306e\u78ba\u4fdd\uff1a<\/strong><\/p>\n

    \u8907\u6570\u306e\u8a08\u7b97\u3067\u540c\u3058\u7cbe\u5ea6\u3092\u4fdd\u8a3c<\/p>\n

    \u9762\u7a4d\uff1a=PI()*\u534a\u5f84^2<\/p>\n

    \u5186\u5468\uff1a=2*PI()*\u534a\u5f84<\/p>\n

    \u4f53\u7a4d\uff1a=(4\/3)*PI()*\u534a\u5f84^3<\/p>\n

    PI\u95a2\u6570\u306e\u5229\u7528\u30b7\u30fc\u30f3<\/h2>\n

    \u5efa\u7bc9\u30fb\u8a2d\u8a08\u3067\u306e\u6d3b\u7528<\/h3>\n

    \u5186\u5f62\u3084\u5186\u5f27\u3092\u542b\u3080\u69cb\u9020\u7269\u306e\u8a2d\u8a08\u8a08\u7b97\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u5186\u5f62\u306e\u5e8a\u9762\u7a4d\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u76f4\u5f84\uff08m\uff09\u00a0 \u9762\u7a4d\uff08\u33a1\uff09<\/p>\n

    =PI()*(\u76f4\u5f84\/2)^2<\/p>\n

    \u30a2\u30fc\u30c1\u578b\u5929\u4e95\u306e\u8868\u9762\u7a4d\uff1a<\/strong><\/p>\n

    \u534a\u5186\u7b52\u306e\u8868\u9762\u7a4d<\/p>\n

    =PI()*\u534a\u5f84*\u9577\u3055<\/p>\n

    \u5186\u5f62\u968e\u6bb5\u306e\u8a2d\u8a08\uff1a<\/strong><\/p>\n

    \u87ba\u65cb\u306e\u9577\u3055: =2*PI()*\u534a\u5f84*\u56de\u8ee2\u6570<\/p>\n

    \u6bb5\u6570: =INT(\u87ba\u65cb\u306e\u9577\u3055\/\u6b69\u5e45)<\/p>\n

    \u914d\u7ba1\u306e\u65ad\u9762\u7a4d\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u5916\u5f84: 10cm\u3001\u5185\u5f84: 8cm<\/p>\n

    =PI()\/4*(\u5916\u5f84^2-\u5185\u5f84^2)<\/p>\n

    \u88fd\u9020\u696d\u3067\u306e\u54c1\u8cea\u7ba1\u7406<\/h3>\n

    \u5186\u5f62\u90e8\u54c1\u306e\u691c\u67fb\u3084\u6750\u6599\u8a08\u7b97\u3067\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u5186\u76e4\u306e\u91cd\u91cf\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u6750\u6599\u5bc6\u5ea6: 7.85 g\/cm\u00b3\uff08\u9244\uff09<\/p>\n

    \u539a\u3055: 2cm\u3001\u76f4\u5f84: 20cm<\/p>\n

    \u91cd\u91cf: =PI()*(\u76f4\u5f84\/2)^2*\u539a\u3055*\u5bc6\u5ea6<\/p>\n

    \u30ef\u30a4\u30e4\u30fc\u306e\u9577\u3055\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u30b3\u30a4\u30eb\u5dfb\u304d\u6570: 100<\/p>\n

    \u30b3\u30a4\u30eb\u76f4\u5f84: 5cm<\/p>\n

    \u7dcf\u9577: =\u5dfb\u304d\u6570*PI()*\u76f4\u5f84<\/p>\n

    \u516c\u5dee\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u76ee\u6a19\u5186\u5468: =PI()*\u76ee\u6a19\u76f4\u5f84<\/p>\n

    \u8a31\u5bb9\u7bc4\u56f2: =PI()*(\u76ee\u6a19\u76f4\u5f84\u00b1\u516c\u5dee)<\/p>\n

    \u7269\u7406\u30fb\u5de5\u5b66\u8a08\u7b97<\/h3>\n

    \u632f\u52d5\u3001\u6ce2\u52d5\u3001\u56de\u8ee2\u904b\u52d5\u306a\u3069\u306e\u8a08\u7b97\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u89d2\u901f\u5ea6\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u56de\u8ee2\u6570(rpm): 3000<\/p>\n

    \u89d2\u901f\u5ea6(rad\/s): =\u56de\u8ee2\u6570*2*PI()\/60<\/p>\n

    \u6b63\u5f26\u6ce2\u306e\u751f\u6210\uff1a<\/strong><\/p>\n

    \u6642\u523bt: =ROW()\/100<\/p>\n

    \u632f\u5e45A: 5<\/p>\n

    \u5468\u6ce2\u6570f: 2<\/p>\n

    \u6ce2\u5f62: =A*SIN(2*PI()*f*t)<\/p>\n

    \u5186\u904b\u52d5\u306e\u901f\u5ea6\uff1a<\/strong><\/p>\n

    \u534a\u5f84: 0.5m<\/p>\n

    \u5468\u671f: 2\u79d2<\/p>\n

    \u901f\u5ea6: =2*PI()*\u534a\u5f84\/\u5468\u671f<\/p>\n

    \u7d71\u8a08\u30fb\u30c7\u30fc\u30bf\u5206\u6790<\/h3>\n

    \u6b63\u898f\u5206\u5e03\u3084\u5186\u30b0\u30e9\u30d5\u306e\u8a08\u7b97\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u6b63\u898f\u5206\u5e03\u306e\u78ba\u7387\u5bc6\u5ea6\u95a2\u6570\uff1a<\/strong><\/p>\n

    =1\/(\u6a19\u6e96\u504f\u5dee*SQRT(2*PI()))*EXP(-0.5*((x-\u5e73\u5747)\/\u6a19\u6e96\u504f\u5dee)^2)<\/p>\n

    \u5186\u30b0\u30e9\u30d5\u306e\u89d2\u5ea6\u8a08\u7b97\uff1a<\/strong><\/p>\n

    \u30ab\u30c6\u30b4\u30ea\u5272\u5408: 25%<\/p>\n

    \u89d2\u5ea6: =\u5272\u5408*2*PI()<\/p>\n

    \u5ea6\u6570: =\u89d2\u5ea6*180\/PI()<\/p>\n

    \u6975\u5ea7\u6a19\u304b\u3089\u306e\u5909\u63db\uff1a<\/strong><\/p>\n

    r: \u52d5\u5f84\u3001\u03b8: \u89d2\u5ea6\uff08\u30e9\u30b8\u30a2\u30f3\uff09<\/p>\n

    x\u5ea7\u6a19: =r*COS(\u03b8)<\/p>\n

    y\u5ea7\u6a19: =r*SIN(\u03b8)<\/p>\n

    PI\u95a2\u6570\u306e\u5fdc\u7528\u30fb\u4ed6\u95a2\u6570\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h2>\n

    \u4e09\u89d2\u95a2\u6570\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n

    PI\u95a2\u6570\u306f\u4e09\u89d2\u95a2\u6570\u3068\u5bc6\u63a5\u306a\u95a2\u4fc2\u304c\u3042\u308a\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u5ea6\u6570\u6cd5\u3068\u30e9\u30b8\u30a2\u30f3\u6cd5\u306e\u5909\u63db\uff1a<\/strong><\/p>\n

    \u5ea6\u2192\u30e9\u30b8\u30a2\u30f3: =RADIANS(\u5ea6\u6570) \u307e\u305f\u306f =\u5ea6\u6570*PI()\/180<\/p>\n

    \u30e9\u30b8\u30a2\u30f3\u2192\u5ea6: =DEGREES(\u30e9\u30b8\u30a2\u30f3) \u307e\u305f\u306f =\u30e9\u30b8\u30a2\u30f3*180\/PI()<\/p>\n

    \u5358\u4f4d\u5186\u4e0a\u306e\u5ea7\u6a19\uff1a<\/strong><\/p>\n

    \u89d2\u5ea6\u03b8\u3067\u306e\u5ea7\u6a19<\/p>\n

    x: =COS(\u03b8*PI()\/180)<\/p>\n

    y: =SIN(\u03b8*PI()\/180)<\/p>\n

    \u4e09\u89d2\u95a2\u6570\u306e\u5468\u671f\u6027\uff1a<\/strong><\/p>\n

    =SIN(x+2*PI()) \u306f SIN(x)\u3068\u540c\u3058<\/p>\n

    =COS(x+2*PI()) \u306f COS(x)\u3068\u540c\u3058<\/p>\n

    \u8907\u96d1\u306a\u56f3\u5f62\u306e\u8a08\u7b97<\/h3>\n

    \u5186\u3068\u4ed6\u306e\u56f3\u5f62\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u8a08\u7b97\u3067\u3059\u3002<\/b><\/span><\/p>\n

    \u6247\u5f62\u306e\u9762\u7a4d\uff1a<\/strong><\/p>\n

    \u4e2d\u5fc3\u89d2\uff08\u5ea6\uff09: 60<\/p>\n

    \u534a\u5f84: 10<\/p>\n

    \u9762\u7a4d: =PI()*\u534a\u5f84^2*\u4e2d\u5fc3\u89d2\/360<\/p>\n

    \u5186\u74b0\uff08\u30c9\u30fc\u30ca\u30c4\u578b\uff09\u306e\u9762\u7a4d\uff1a<\/strong><\/p>\n

    \u5916\u534a\u5f84: 10\u3001\u5185\u534a\u5f84: 7<\/p>\n

    \u9762\u7a4d: =PI()*(\u5916\u534a\u5f84^2-\u5185\u534a\u5f84^2)<\/p>\n

    \u6955\u5186\u306e\u9762\u7a4d\uff1a<\/strong><\/p>\n

    \u9577\u534a\u5f84a: 5\u3001\u77ed\u534a\u5f84b: 3<\/p>\n

    \u9762\u7a4d: =PI()*a*b<\/p>\n

    \u6570\u5024\u89e3\u6790\u3067\u306e\u6d3b\u7528<\/h3>\n

    \u6570\u5024\u8a08\u7b97\u3084\u8fd1\u4f3c\u8a08\u7b97\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u306b\u3088\u308b\u03c0\u306e\u8fd1\u4f3c\uff1a<\/strong><\/p>\n

    \u70b9\u306e\u7dcf\u6570: 10000<\/p>\n

    \u5186\u5185\u306e\u70b9: =COUNTIF(\u8ddd\u96e2\u7bc4\u56f2,”<=1″)<\/p>\n

    \u03c0\u8fd1\u4f3c\u5024: =4*\u5186\u5185\u306e\u70b9\/\u7dcf\u6570<\/p>\n

    \u8aa4\u5dee: =ABS(PI()-\u8fd1\u4f3c\u5024)<\/p>\n

    \u30d5\u30fc\u30ea\u30a8\u7d1a\u6570\u306e\u8a08\u7b97\uff1a<\/strong><\/p>\n

    =SUM(An*COS(n*2*PI()*x\/\u5468\u671f) + Bn*SIN(n*2*PI()*x\/\u5468\u671f))<\/p>\n

    \u52d5\u7684\u306a\u56f3\u5f62\u63cf\u753b<\/h3>\n

    \u30b0\u30e9\u30d5\u3084\u30c1\u30e3\u30fc\u30c8\u3067\u5186\u5f62\u8981\u7d20\u3092\u63cf\u753b\u3059\u308b\u969b\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/b><\/span><\/p>\n

    \u30d1\u30e9\u30e1\u30c8\u30ea\u30c3\u30af\u66f2\u7dda\uff1a<\/strong><\/p>\n

    t: =SEQUENCE(100,1,0,2*PI()\/100)<\/p>\n

    x: =\u534a\u5f84*COS(t)<\/p>\n

    y: =\u534a\u5f84*SIN(t)<\/p>\n

    \u30b9\u30d1\u30a4\u30e9\u30eb\uff08\u87ba\u65cb\uff09\u306e\u63cf\u753b\uff1a<\/strong><\/p>\n

    \u03b8: =SEQUENCE(200,1,0,PI()\/10)<\/p>\n

    r: =a*\u03b8<\/p>\n

    x: =r*COS(\u03b8)<\/p>\n

    y: =r*SIN(\u03b8)<\/p>\n

    PI\u95a2\u6570\u306e\u3088\u304f\u3042\u308b\u6d3b\u7528\u4f8b\u3068\u6ce8\u610f\u70b9<\/h2>\n

    \u7cbe\u5ea6\u306b\u95a2\u3059\u308b\u6ce8\u610f<\/h3>\n

    PI\u95a2\u6570\u306e\u7cbe\u5ea6\u3068\u8a08\u7b97\u4e0a\u306e\u6ce8\u610f\u70b9\u3067\u3059\u3002<\/b><\/span><\/p>\n

    \u6709\u52b9\u6841\u6570\u306e\u8003\u616e\uff1a<\/strong><\/p>\n

    \u8868\u793a\u6841\u6570: =ROUND(PI()*\u8a08\u7b97\u5024, \u5fc5\u8981\u6841\u6570)<\/p>\n

    \u5de5\u5b66\u7684\u8868\u8a18: =TEXT(PI()*\u5927\u304d\u306a\u5024, “0.00E+00”)<\/p>\n

    \u7d2f\u7a4d\u8aa4\u5dee\u306e\u56de\u907f\uff1a<\/strong><\/p>\n

    \u591a\u6570\u306e\u8a08\u7b97: =PI()*\u7a4d\u306e\u7dcf\u548c \uff08\u63a8\u5968\uff09<\/p>\n

    \u907f\u3051\u308b\u3079\u304d: =\u7a4d1*PI() + \u7a4d2*PI() + …<\/p>\n

    \u5358\u4f4d\u306e\u7d71\u4e00<\/h3>\n

    \u8a08\u7b97\u6642\u306e\u5358\u4f4d\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/b><\/span><\/p>\n

    \u89d2\u5ea6\u306e\u5358\u4f4d\u78ba\u8a8d\uff1a<\/strong><\/p>\n

    \u5ea6\u6570\u6cd5\u306e\u5834\u5408: =SIN(\u89d2\u5ea6*PI()\/180)<\/p>\n

    \u30e9\u30b8\u30a2\u30f3\u306e\u5834\u5408: =SIN(\u89d2\u5ea6)<\/p>\n

    \u9577\u3055\u306e\u5358\u4f4d\u7d71\u4e00\uff1a<\/strong><\/p>\n

    cm\u3068m\u304c\u6df7\u5728\u3059\u308b\u5834\u5408\u306f\u4e8b\u524d\u306b\u7d71\u4e00<\/p>\n

    =PI()*(\u534a\u5f84_m)^2\u00a0 \uff08m\u306b\u5909\u63db\uff09<\/p>\n

    \u3088\u304f\u3042\u308b\u9593\u9055\u3044\u3068\u5bfe\u7b56<\/h3>\n

    PI\u95a2\u6570\u4f7f\u7528\u6642\u306e\u5178\u578b\u7684\u306a\u30df\u30b9\u3068\u56de\u907f\u65b9\u6cd5\u3067\u3059\u3002<\/b><\/span><\/p>\n

    \u62ec\u5f27\u306e\u5fd8\u308c\uff1a<\/strong><\/p>\n

    \u8aa4: =PI*5^2<\/p>\n

    \u6b63: =PI()*5^2<\/p>\n

    \u76f4\u5f84\u3068\u534a\u5f84\u306e\u6df7\u540c\uff1a<\/strong><\/p>\n

    \u5186\u306e\u9762\u7a4d\uff08\u76f4\u5f84\u304b\u3089\uff09: =PI()*(\u76f4\u5f84\/2)^2<\/p>\n

    \u5186\u306e\u9762\u7a4d\uff08\u534a\u5f84\u304b\u3089\uff09: =PI()*\u534a\u5f84^2<\/p>\n

    \u4ee3\u66ff\u65b9\u6cd5\u3068\u306e\u6bd4\u8f03<\/h3>\n

    PI\u95a2\u6570\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u3068\u306e\u6bd4\u8f03\u3067\u3059\u3002<\/b><\/span><\/p>\n

    \u5b9a\u6570\u3067\u306e\u4ee3\u7528\uff1a<\/strong><\/p>\n

    \u540d\u524d\u306e\u5b9a\u7fa9: \u5186\u5468\u7387 = 3.14159265358979<\/p>\n

    \u4f7f\u7528: =\u5186\u5468\u7387*\u534a\u5f84^2<\/p>\n

    ACOS\u95a2\u6570\u3067\u306e\u7b97\u51fa\uff1a<\/strong><\/p>\n

    =ACOS(-1)\u00a0 \uff08\u03c0\u3092\u8fd4\u3059\u5225\u306e\u65b9\u6cd5\uff09<\/p>\n

    \u3057\u304b\u3057\u3001\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u306e\u89b3\u70b9\u304b\u3089\u3001PI()\u95a2\u6570\u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/p>\n

    PI\u95a2\u6570\u3067\u5186\u5468\u7387\u3092\u6b63\u78ba\u306b\u4f7f\u3046<\/h2>\n

    PI\u95a2\u6570\u306f\u3001Excel\u3067\u5186\u5468\u7387\uff08\u03c0\uff09\u309215\u6841\u306e\u7cbe\u5ea6\u3067\u8fd4\u3059\u95a2\u6570\u3067\u3001\u5186\u306e\u9762\u7a4d\u3084\u5186\u5468\u3001\u7403\u306e\u4f53\u7a4d\u3001\u56de\u8ee2\u904b\u52d5\u3084\u7d71\u8a08\u8a08\u7b97\u306a\u3069\u306b\u5e45\u5e83\u304f\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u6570\u5024\u3092\u624b\u5165\u529b\u3059\u308b\u3088\u308a\u3082\u7cbe\u5ea6\u3068\u4e00\u8cab\u6027\u304c\u4fdd\u305f\u308c\u308b\u305f\u3081\u3001\u5efa\u7bc9\u8a2d\u8a08\u3084\u88fd\u9020\u696d\u3001\u7269\u7406\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u3044\u3063\u305f\u5206\u91ce\u3067\u3082\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u307e\u305f\u3001SIN\u95a2\u6570\u3084COS\u95a2\u6570\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u3001\u4e09\u89d2\u95a2\u6570\u3084\u30b0\u30e9\u30d5\u63cf\u753b\u306a\u3069\u9ad8\u5ea6\u306a\u8a08\u7b97\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

    \u5358\u4f4d\u306e\u8aa4\u308a\u3084\u62ec\u5f27\u306e\u8a18\u8ff0\u30df\u30b9\u306b\u6ce8\u610f\u3057\u3064\u3064\u3001PI\u95a2\u6570\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u7cbe\u5bc6\u306a\u6570\u5024\u51e6\u7406\u3084\u56f3\u5f62\u6f14\u7b97\u3092\u52b9\u7387\u7684\u306b\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    PI\u95a2\u6570\u306f\u3001\u6570\u5b66\u5b9a\u6570\u03c0\uff08\u5186\u5468\u7387\uff09\u306e\u5024\u3092\u8fd4\u3059\u30a8\u30af\u30bb\u30eb\u306e\u6570\u5b66\u95a2\u6570\u3067\u3059\u3002\u7d043.14159265358979\u3068\u3044\u304615\u6841\u306e\u7cbe\u5ea6\u3067\u5186\u5468\u7387\u3092\u63d0\u4f9b\u3057\u3001\u5186\u306e\u9762\u7a4d\u3084\u5186\u5468\u3001\u7403\u306e\u4f53\u7a4d\u3001\u4e09\u89d2\u95a2\u6570\u306e\u8a08\u7b97\u306a\u3069\u3001\u69d8\u3005\u306a\u5e7e\u4f55\u5b66\u7684\u8a08\u7b97\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 […]<\/p>\n","protected":false},"author":25,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[51],"tags":[],"class_list":["post-18233","post","type-post","status-publish","format-standard","hentry","category-excel"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/posts\/18233","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/comments?post=18233"}],"version-history":[{"count":8,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/posts\/18233\/revisions"}],"predecessor-version":[{"id":18668,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/posts\/18233\/revisions\/18668"}],"wp:attachment":[{"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/media?parent=18233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/categories?post=18233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/wp-json\/wp\/v2\/tags?post=18233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}