Real Estate Master IIIX Residential Finance Calculator. Complete PITI Payment Solutions Amortization with remaining balances. The industry's power packed workhorse. Quickly provide accurate answers to common real estate finance questions; ideal for trainees, new agents and professionals who don't require buyer qualifying functions. Enter loan scenario in any order and quickly solve for PITI and other "what-ifs". Analyze combo loan options, full amortization and much more.