INVENTED NUMBER MEMORIZATION CARDS
Himmat Bhardwaj (Born on November 1, 1988) of Gurgaon, Haryana invented number memorization cards to memorize any numbers like Phone Numbers, Social Insurance / Security Numbers, Zip Codes, PINs, Passwords, History (Dates), Chemistry (Atomic Numbers), Biology, Bible verse References, Credit Card Numbers, Statistics, IP Addresses, Pi etc.