test.scss

@import "math";

.test {
    background-color:green;
    color: white;
    font-weight: bold;
    margin-bottom: 10px;
    width: exp(1);
}

#test-power {
    @if power(10, 2) != 100 { background-color:red; };
    @if power(10, 0) != 1 { background-color:red; };
    @if power(10, -1) != 0.1 { background-color:red; }
    @if power(10, -2) != 0.01 { background-color:red; }
}

#test-factorial {
    @if factorial(4) != 24 { background-color:red; };
    @if factorial(0) != 1 { background-color:red; };
    @if factorial(-1) != 1 { background-color:red; };
}

#test-sin {
    @if sin(0) != 0 { background-color:red; };
    //@if sin(1.571) != 1.0 { background-color:red; };
    //@if sin(3.14159) != 0 { background-color:red; };
}

#test-cos {
    @if cos(0) != 1 { background-color:red; };
    //@if cos(1.571) != 0 { background-color:red; };
    //@if cos(3.14159) != 1 { background-color:red; };
}

#test-exp {
    @if exp(0) != 1 { background-color:red; };
    //@if exp(1) != 2.718 { background-color:red; };
}

#test-ln {
    @if ln(exp(1)) != 1.001 { background-color:red; };
}
#test-sqrt {
    @if sqrt(4) != 2 { background-color:red; };
}