2-4-3

Function Calculations

kLogarithmic Functions (log, ln) and Exponential Functions (e, ^, k)

Problem

Use this keyboard:

 

 

 

 

Operation

 

 

 

 

 

 

 

mth

abc

cat

2D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

log1.23 (log101.23) =



 

Func



l

1.23 w or

0.08990511144

 

 

 

 

)V 10 e 1.23 w

 

 

 

 

 

 

 

 

 

ln90 (loge90) = 4.49980967



 

Func



I

90 w or

 

 

 

 

 

)V0ne

 

 

 

 

 

e

90 w

 

 

 

 

 

 

 

 

 

log39 = 2



 

Func



l

3 ,9 w or

 

 

 

 

 

)V 3 e 9 w

 

 

 

 

 

 

 

 

 

101.23 = 16.98243652



MATH

Cmd



10 { 1.23 w

e4.5 = 90.0171313



MATH

Func



e

4.5 w or

 

 

 

 

 

)Q 4.5 w

 

 

 

 

 

 

 

 

 

(–3)4= (–3) ⋅ (–3) ⋅ (–3) ⋅



MATH

Cmd



(- 3 ){ 4 w

(–3) = 81

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

–34= – (3 ⋅ 3 ⋅ 3 ⋅ 3) = –81



MATH

Cmd



-

3 { 4 w

1

 

 

 

 

 

 

 

 

—



MATH

Cmd



123 {(1 /7 w or

7 123 (= 123 7 )

= 1.988647795

 

 

 

 

)% 7 e 123 w

 

 

 

 

 

 

 

 

 

2 + 3 ⋅ 3 64 – 4 = 10



MATH

Cmd



2 +3 *64 {(1 /

 

 

 

 

 

3 )-4 w or ) 2 +

 

 

 

 

 

3 *%3 e64 e-4 w

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Can be omitted.

 

 

 

 

 

 

 

 

 

Tip

• ^ and   have a higher calculation priority sequence than ⋅ and ⎟.

20050501