13. Program Support Functions
13.5 User Macro Specifications
356
(14)
Arccosine
(ACOS)
#521 = ACOS [100./141.421]
#522 = ACOS [100./141.421]
#521
#522
45.000
45.000
(15)
Square root
(SQR or
SQRT)
#571 = SQRT [1000]
#572 = SQRT [1000.]
#573 = SQRT [10.
∗
10. +20.
∗
20.]
(Note)
In order to increase the accuracy,
proceed with the operation inside
parentheses.
#571
#572
#573
31.623
31.623
22.360
(16)
Absolute
value (ABS)
#576 =
−
1000
#577 = ABS [#576]
#3 = 70. #4 =
−
50.
#580 = ABS [#4
−
#3]
#576
#577
#580
−
1000.000
1000.000
120.000
(17)
BIN, BCD
#1 = 100
#11 = BIN [#1]
#12 = BCD [#1]
#11
#12
64
256
(18)
Rounding off
(ROUND or
RND)
#21 = ROUND [14/3]
#22 = ROUND [14./3]
#23 = ROUND [14/3.]
#24 = ROUND [14./3.]
#25 = ROUND [
−
14/3]
#26 = ROUND [
−
14./3]
#27 = ROUND [
−
14/3.]
#28 = ROUND [
−
14./3.]
#21
#22
#23
#24
#25
#26
#27
#28
5
5
5
5
−
5
−
5
−
5
−
5
(19)
Discarding
fractions
below
decimal
point (FIX)
#21 = FIX [14/3]
#22 = FIX [14./3]
#23 = FIX [14/3.]
#24 = FIX [14./3.]
#25 = FIX [
−
14/3]
#26 = FIX [
−
14./3]
#27 = FIX [
−
14/3.]
#28 = FIX [
−
14./3.]
#21
#22
#23
#24
#25
#26
#27
#28
4.000
4.000
4.000
4.000
−
4.000
−
4.000
−
4.000
−
4.000
(20)
Adding
fractions
less than 1
(FUP)
#21 = FUP [14/3]
#22 = FUP [14./3]
#23 = FUP [14/3.]
#24 = FUP [14./3.]
#25 = FUP [
−
14/3]
#26 = FUP [
−
14./3]
#27 = FUP [
−
14/3.]
#28 = FUP [
−
14./3.]
#21
#22
#23
#24
#25
#26
#27
#28
5.000
5.000
5.000
5.000
−
5.000
−
5.000
−
5.000
−
5.000
(21)
Natural
logarithms
(LN)
#101 = LN [5]
#102 = LN [0.5]
#103 = LN [
−
5]
#101
#102
Error
1.609
−
0.693
"P282"
(22)
Exponents
(EXP)
#104 = EXP [2]
#105 = EXP [1]
#106 = EXP [
−
2]
#104
#105
#106
7.389
2.718
0.135