fx-82MS fx-82TL fx-9860GII TI-83
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On a TI calculator you can enter a decimal point
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Example 1
To calculate 
1 ÷ 2 + 1 · 6 ENTER 1/2+1.6 2.1
Example 2
To calculate sin (½π) = 1 in radians
π H SIN 2nd ∧ ÷ 2 ENTER sin(π/2 1
Example 3
To calculate 101.25 = 17.782…
10 x N 2nd LOG 1 · 2 5 ENTER 10^(1.25 17.7827941
Example 4
To calculate sin-1(0.56) = 0.5943… in radians
SIN-1 E 2nd SIN · 5 6 ENTER sin⁻¹(.56 .5943858
Example 5
To convert the decimal value 2.258 to the sexagesimal value 2° 15' 28.8"
ANGLE B 2 · 2 5 8 2nd MATRX 5 2.258►DMS ENTER 2.258►DMS 2°15'28.8"
Example 6
To calculate 0.5√2 = 21/0.5 = 22 = 4
· 5 MATH 5 .5˟√ 2 ENTER .5˟√2 4