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KLCV DEV MANUAL

sum

Explanation Find the total.
Call format var s = sum (range)
Return value Total of data in the specified range.
Arguments Date or Number range Array object name
Exception None
Example of use 
var arr = new Number [10];
for (var n = 0; n <arr.Length; n ++) {
    arr [n] = n + 1;
}
print (sum (arr), "￥ n");
Related item avg function