統計計算 統計計算を行うときは@Æと押して統計モー ドにしてください。 サンプル (x) の平均値 サンプル (x) の標準偏差 σ x サンプル (x) の母標準偏差 サンプル数 Σ x サンプル (x) の総和 Σ x サンプル (x) の2乗の和 STAT DATA @Æ 95 k 80 * 2 k 75 * 3 k 50 k 75.71428571 σx= 12.37179148...
統計計算では、次のような場合エラーになります。 中間結果または計算結果の絶対値が1×10 に ● 等しいか、それを超える場合 分母が0の場合 ● 負の数の平方根を求めようとした場合 ● 応用例題のキー操作例 三角比 例 下図においてA地点からB地点の距離(c)と角B(θ) がわかっているとき、A−C間の距離(b)とB−C間 の距離(a)は? 1辺の長さと角度から、三角比を使って他の 解説 辺の長さを求めることができます。 ― c sin θ = ― c cos θ = tan θ = ― a ― c sin θ = から、b=c ・ sin θ ...
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辺b と角B がわかっているときは、以下の式を ● 使って求めます。 tan θ = ― a から、a= tan θ ― c から、c= sin θ = sin θ 辺a と角B がわかっているときは、以下の式を ● 使って求めます。 から、b=a ・ tan θ tan θ = ― a から、c= ―...
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この例題では③を使用します。 キー操作 ª (一般モード) G (DEGシンボルが表示されるまで繰り返す) (15/24)@T@¨ → 32.001937 (θ) 辺a・辺cがわかっているときは、cos で求 ● めます。 辺b・辺cがわかっているときは、sin で求め ● ます。 正弦定理 下図において辺a 、角A 、角B がわかっていると き、辺b・辺cの長さと角Cの角度は? 2角と1辺より、正弦定理を使って他の辺と 解説 角度を求めることができます。 = = sinB sinC sinA 上記定理から、 sinB sinC b = a× c = a× sinA sinA キー操作...
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余弦定理 下図において、 a=14.7cm、 b=17.8cm、 θ=43° 32'54''の場合のcの長さを求めます。 2辺と1角より、余弦定理を使って他の辺の 解説 長さを求めることができます。 =b +c −2bc・cosAから a= b +c −2bc・cosA ‥‥① =c +a −2ca・cosBから b= c +a −2ca・cosB ‥‥② =a +b −2ab・cosCから c= a +b −2ab・cosC ‥‥③ この例題では③を使用します。 キー操作 ª (一般モード) G (DEGシンボルが表示されるまで繰り返す) ((14.7L+17.8L)- (43.3254´u*2*14.7* 17.8))⁄ → 12.39480134 cm (c) ヘロンの公式...
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English Operation Guide CONTENTS INTRODUCTION Operational Notes ..........E-3 Hard Case .............. E-4 DISPLAY ..............E-4 BEFORE USING THE CALCULATOR Key Notation Used in this Manual ......E-5 Power On and Off ..........E-5 Clearing Numbers ..........E-5 Priority Levels in Calculation ......... E-6 INITIAL SET UP Mode Selection ............
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BATTERY REPLACEMENT Notes on Battery Replacement ......E-20 When to Replace the Batteries ......E-20 Caution ..............E-20 Replacement Procedure ........E-21 Automatic Power Off Function ......E-21 SPECIFICATIONS ............. E-22 – E-2 –...
♦ Press the RESET switch (on the back), with the tip of a ball-point pen or similar object, only in the following cases. Do not use an object with a breakable or sharp tip. Note that pressing the RESET switch erases all data stored in memory.
If service should be required on this calculator, use only a SHARP servicing dealer, SHARP approved service facil- ity, or SHARP repair service where available. Hard Case DISPLAY • Floating point system ←Symbol • Scientific notation system Exponent Mantissa (During actual use not all symbols are displayed at the same time.)
: Appears when a calculation with parentheses is performed by pressing (. : Indicates that @ ê has been pressed. Binary system mode is selected. : Indicates that @ î has been pressed. Octal system mode is selected. : Indicates that @ ì has been pressed. Hexadecimal system mode is selected.
3× ª 4 * 5 4×5 æ ↓ 6 + 7 = 4×6+7= 134. ø ø ↓ 123. 3 ™ 4 @º= →4 Priority Levels in Calculation This calculator performs operations according to the fol- lowing priority: 1 Functions such as sin, x , and % ¿y 3 ×, ÷...
Statistics mode: @Æ Used to perform statistical calculations. To clear this mode, press @Æ. When executing mode selection, statistical data will be cleared even when reselecting the same mode. • By pressing F or Automatic power off function, the mode is cleared and returned to the normal mode. Selecting the Display Notation and Decimal Places •...
SCIENTIFIC CALCULATIONS • Calculate in the normal mode. • In each example, press ª to clear the display. Arithmetic Operations • The closing parenthesis ) just before = or ; may be omitted. • When entering only a decimal place, it is not necessary to press 0 before ..
Functions ª 60 s sin60[°]= 0.866025403 G@V/ 4 π cos–[rad]= 0.707106781 –1 G 1 @T 1=[g] • The range of the results of inverse trigonometric functions. θ θ –1 –1 = sin , θ = tan = cos –1 ≤ θ ≤ ≤...
• The independent memory is indicated by the three keys: O, R, ;. Before starting a calculation, clear the memory by press- ing ª and O. • A value can be added to or subtracted from an existing memory value. When subtracting a number from the memory, press ±...
Time, Decimal and Sexagesimal Calculations This calculator performs decimal-to-sexagesimal conver- sion and sexagesimal-to-decimal conversion. In addition, the four basic arithmetic operations and memory calcula- tions can be carried out using the sexagesimal system. Notation for sexagesimal is as follows: 123.404080 degree second minute...
BINARY, OCTAL, DECIMAL, AND HEXADECIMAL OPERATIONS (N-BASE) This calculator can perform the four basic arithmetic op- erations, calculations with parentheses and memory cal- culations using binary, octal, decimal, and hexadecimal numbers. When performing calculations in each system, first set the calculator in the desired mode before entering numbers.
STATISTICAL CALCULATIONS Press @ Æ to select statistics mode. The following statistics can be obtained: x – Mean of samples (x data) Sample standard deviation (x data) σ x Population standard deviation (x data) Number of samples Σ x Sum of samples (x data) Σ...
Correction after pressing k: Reenter the data to be corrected and press @ J. • The number displayed after pressing k or @ J during data entry or correction is the number of samples (n). STAT Fª@Æ DATA 30 k 40 * 2 k 50 k 50 @J...
ERROR AND CALCULATION RANGES Errors An error will occur if an operation exceeds the calculation ranges, or if a mathematically illegal operation is attempted. In the case of an error, the display will show “E”. An error can be cleared by pressing ª. Calculation Ranges •...
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Function Calculation Range sinh x, | x | ≤ 230.2585092 cosh x tanh x | x | < 10 –1 sinh | x | < 5 × 10 –1 cosh 1 ≤ x < 5 × 10 –1 tanh | x | < 1 | x | <...
Function Calculation Range AC + BD < 10 (A+Bi)÷(C+Di) BC – AD < 10 ≠ 0 : | x | ≤ 9999999999 : 1000000000 ≤ x ≤ 1111111111 →DEC 0 ≤ x ≤ 111111111 →BIN : 4000000000 ≤ x ≤ 7777777777 →OCT 0 ≤...
• If the product is not to be used for some time, to avoid damage to the unit from leaking batteries, remove them and store in a safe place. • Do not leave exhausted batteries inside the product. • Do not fit partially used batteries, and be sure not to mix batteries of different types.