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Grade Scales - Help Desk

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<strong>Grade</strong>s User Guide<br />

Function name or<br />

alternate function<br />

Function Description Examples<br />

Log10 (Log to Base<br />

10)<br />

log10(number)<br />

Returns the logarithm of<br />

the number to base 10.<br />

This is the inverse of the<br />

number E in scientific<br />

notation. If the number is<br />

negative, returns the<br />

#NUM! error value.<br />

log10(100000)<br />

returns 5<br />

Log<br />

log(number{,b<br />

ase})<br />

Returns the logarithm of<br />

the number to a base. If<br />

the base is omitted, uses<br />

10. If the number or base<br />

is negative, returns the<br />

#NUM! error value.<br />

log(10000) returns 4<br />

log(10000,6) returns<br />

5.1404...<br />

Mod (Modulo)<br />

mod(number,di<br />

visor)<br />

Returns the remainder<br />

when the number is<br />

divided by the divisor.<br />

The result has the same<br />

sign as the value of the<br />

number being divided. If<br />

the number or divisor is a<br />

real number, it will be<br />

rounded before<br />

calculating the modulo.<br />

mod(5,-2) returns 1<br />

mod(23,7) returns 2<br />

Pi pi() Returns pi, the ratio of a<br />

circle's circumference to<br />

its diameter.<br />

pi() returns<br />

3.141592653589793<br />

116<br />

Power<br />

power(number,<br />

power)<br />

Returns the result of the<br />

number raised to a<br />

power.<br />

power(2,8) returns<br />

256<br />

power(14,0.5)<br />

returns 3.7417...<br />

Rand (Random)<br />

rand({number<br />

})<br />

Returns a random number<br />

between 0 and the<br />

number. If the number is<br />

omitted, the returned<br />

value is between 0 and 1.<br />

rand() returns<br />

0.8462...<br />

rand(50) returns<br />

31.4896...<br />

Round<br />

round(number,<br />

digits)<br />

Returns a number<br />

rounded to the specified<br />

number of digits from the<br />

decimal point. If digits is<br />

positive, it specifies the<br />

number of digits to the<br />

right of the decimal point.<br />

If negative, it specifies<br />

the number of digits to<br />

round(59.72893,3)<br />

returns 59.729<br />

round(115925.45,-<br />

3) returns 116000<br />

<strong>Grade</strong>s 19

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