Random snippets of Foo

snippy is just my dump of random functions that I use for different kinds of stuff.

Using

Usage is via the REPL. This will change eventually once I have more stuff here.

Example

; Calculate the purchase tax of 30 shares at the fair market value 
; of $50.00 per share.
(calc-espp-purchase-tax 50.00 30)

; Calculate the sales tax of 100 shares at the selling price of
; $50.00. Purchase price was $25.00.
(calc-espp-sales-tax 50.00 25.00 1000)