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2-2-1
Basic Calculations
2-2 Basic Calculations
This section explains how to perform basic mathematical operations in the Main application.
Arithmetic Calculations and Parentheses Calculations
•You can perform arithmetic calculations by inputting expressions as they are written. All of
the example calculations shown below are performed using the 9 soft keyboard, unless
noted otherwise.
•To input a negative value, tap - or - before entering the value.
• The order of operations is followed when a calculation consists of mixed arithmetic
operations (multiplication and division are given priority over addition and subtraction).
• The example calculations are all performed using the Decimal mode. Using the Standard
mode causes results to be displayed as fractions. For details about the Decimal mode and
Standard mode, see “Status Bar Mode Indicators” on page 2-1-4.
Calculation Key Operation
23 + 4.5 – 53 = –25.5 cd+e.f-fdw
56 × (–12) ÷ (–2.5) = 268.8 fg*(-bc)/(-c.f)w
(2 + 3) × 10
2
= 500 (c+d)Ecw
1 + 2 – 3 × 4 ÷ 5 + 6 = 6.6 b+c-d*e/f+gw
100 – (2 + 3) × 4 = 80 baa-(c+d)*ew
2 + 3 × (4 + 5) = 29 c+d*(e+f)w
(7 – 2) × (8 + 5) = 65 (h-c)*(i+f)w
g/(e*f)w or
) Ngce*fw
(1 + 2i) + (2 + 3i) = 3 + 5i (b+c P)+(c+dP)w
(2 + i) × (2 – i ) = 5 (c+P)*(c-P)w
Tip
• For details about the calculations and result displays produced in each mode, see “Calculation
Modes” on page 2-2-5.
•To toggle a result between decimal and fractional format, tap u before pressing E.
6
= 0.3
4 × 5