Buku la TRU RED Scientific Calculator Statistical Function Owner
Buku la eni ake limapereka njira zodzitetezera komanso malangizo ogwiritsira ntchito TRU RED Scientific Calculator yokhala ndi Statistical Function (model TR28201), kuphatikizapo kagwiridwe ka batri ndi kutaya. Sungani bukuli kuti lizigwiritsidwa ntchito mosavuta.