4_1.计笲衡ㄧ计

ABS荡癸ㄧ计盢计跑Θタ计
ㄧ计笲衡Α 挡狦
abs(-9) 9
abs(0) 0
abs(-5.2) 5.2
磅︽絛ㄒ

SGN―タ璽腹ㄧ计计タ计ㄤ挡狦1璽计-1箂0
ㄧ计笲衡Α 挡狦
sgn(-9) -1
sgn(0) 0
sgn(-5.2) -1
sgn(5) 1
磅︽絛ㄒ

HEX锣16秈计ㄧ计盢计锣传Θ16秈计
ㄧ计笲衡Α 挡狦
hex(20) 14
abs(90) 5A
磅︽絛ㄒ

OCT锣8秈计ㄧ计盢计锣传Θ8秈计
ㄧ计笲衡Α 挡狦
oct(20) 24
oct(90) 132
磅︽絛ㄒ

SQRキよㄧ计肚计キよ
ㄧ计笲衡Α 挡狦
sqr(4) 2
sqr(49) 7
sqr(0) 0
磅︽絛ㄒ

INT俱计ㄧ计ゑ块计临俱计
ㄧ计笲衡Α 挡狦
int(99.8) 99
int(-99.8) -100
int(-99.2) -100
磅︽絛ㄒ

FIX俱计ㄧ计盢计计场埃
ㄧ计笲衡Α 挡狦
fix(99.8) 99
fix(-99.8) -99
fix(-99.2) -99
磅︽絛ㄒ

ROUND计材碭ㄧ计盢计计材碭ぇ彼き
ㄧ计笲衡Α 挡狦
round(100.2) 100
round(3.14159,2) 3.14
磅︽絛ㄒ

LOGㄧ计璸衡e(2.7182818284)┏癸计
ㄧ计笲衡Α 挡狦
log(2) 0.693147180559945
log(10) 2.30258509299405
磅︽絛ㄒ

EXPㄧ计璸衡e(2.7182818274)经Ωよ
ㄧ计笲衡Α 挡狦
exp(1) 2.71828182845905
exp(-1) 0.367879441171442
磅︽絛ㄒ

SIN,COS,TAN,ATNàㄧ计璸衡àㄧ计
ㄧ计笲衡Α 挡狦
sin(3.14159) 0.99999999999
cos(0) 1
tan(3.14159/4) 0.99999999999
磅︽絛ㄒ