ModMath is fairly customizable. You have the option to change the contrast, color of number font, and provide alternative row/column contrast.
|The lines that differentiate between steps appear automatically if you place them in the box just prior to the number that you want to add, subtract, multiply or divide.|
ModMath creators are currently working on a KickStarter Campaign for an algebra version of this product too. If you want to discover more about ModMath or its campaign, check out www.Modmath.com.