Calculations Using Scientific Functions; Trigonometric/Inverse Trigonometric Functions - UNITED OFFICE LCD?8310 User Manual

Example 3.: Add 15% to 2500
2500
Example 4.: Reduce 3500 by 25%
3500
Example 5.: If 300 grams are added to a test sample originally
weighing 500 grams, what is the percentage increase in
weight?
+ 500
300
x 100 = 160 (%)
500
300
Example 6.: What is the percentage increase when a temperature
rises from 40 °C to 46 °C?
− 40
46
x 100 = 15 (%)
40
46

Calculations Using Scientific Functions

Note!
Use the key to activate COMP mode in order to carry out
scientific function calculations. COMP:
=3.14159265359
l

Trigonometric/Inverse trigonometric functions

Example 1.: sin 63°52'41"
63 52
Example 2.:
cos ( rad )
3
2
Example 3.:
rad
−1
cos =
2 4
2
−1
Example 4.: tan 0.741
15
2875.
25
2625.
500
160.
40
15.
→" "
0.897859012
41
→" "
0.5
3
→" "
0.785398163
2
0.25
→" "
36.53844577
0.741
10