Canon Palmtronic LD-8M 2

The Canon LD-8M2 is a basic handheld calculator from 1975. It measures 74mm x 130mm x 21mm and weighs 114g without batteries. The calculator is powered by two AA batteries or can be charged via an AC adapter that plugs into a socket on the top left side. The case …

Canon Palmtronic LD-8M 2 Read More

Canon Palmtronic F-71

The Canon Palmtronic F-71 is a scientific/statistical calculator from 1977. It measures 83mm x 150mm x 26mm and weighs 182g without batteries. Power comes from 4 AA batteries or an optional 6V AC adapter. The F-71 has a sleek black plastic case with an aluminum front panel. The 12-digit vacuum …

Canon Palmtronic F-71 Read More

Canon Palmtronic 8M

The Canon Palmtronic 8M is a handheld calculator introduced around 1976. This model has a brick-shaped plastic case measuring about 77mm x 142mm x 20mm and weighing 118g without batteries. The mottled black plastic case has rounded front edges and metallic gold and black labels. Inside, the main circuit board …

Canon Palmtronic 8M Read More

Canon Palmtronic 8

The Canon Palmtronic 8, also known as the LD-84, is a handheld calculator from the 1970s. It measures approximately 72mm x 130mm x 20mm and weighs 104g without batteries. The case is made of two-piece mottled black plastic with a metallic gold and black label displaying the Canon logo and …

Canon Palmtronic 8 Read More

Calfax 890P

The Calfax 890P is a handheld calculator from 1975. It measures approximately 69-77mm wide, 140mm high, and 35mm deep. Weighing 104 grams without batteries, the 890P has an angular two-piece plastic case in black and white. The top section holds the 9V battery and has a metallic brand sticker. The …

Calfax 890P Read More

Caltronic 812

The Caltronic 812 is an early portable electronic calculator from the 1970s. With its substantial size and weight, luxurious accessories, and high price, it was positioned as a premium product. The calculator has an imposing black plastic case with brushed aluminum trim. The design features a deeply recessed red LED …

Caltronic 812 Read More

C.Itoh 8005

The C.Itoh 8005 is a handheld calculator from 1975. It measures about 85mm by 135mm, with a depth between 25-32mm. The total weight is 136g without batteries. Power comes from 4 AA batteries, or it can use a 6V DC 0.5W adapter that plugs into a socket on the top-right …

C.Itoh 8005 Read More

Busicom Colex 812-SL

The Busicom Colex 812-SL is a scientific calculator from 1975. It has a slim, brick-shaped plastic case measuring 77mm x 143mm x 17mm and weighs 172g including the internal rechargeable batteries. The calculator is powered by 4.8V from four N-sized 1.2V Matsushita batteries. It can be recharged using an adapter …

Busicom Colex 812-SL Read More

Brother Procal 408AY

The Brother Procal 408AY is a handheld calculator from 1973. It has a matt beige and brown plastic case with a painted metal keyboard surround. The calculator measures about 100mm x 155mm x 45mm and weighs 242g without batteries. The 408AY features an 8 digit green vacuum fluorescent display (VFD), …

Brother Procal 408AY Read More

Casio CQ-1

The Casio CQ-1 is an early attempt by Casio to combine a digital clock with a basic four-function calculator in one device. Released in 1975-1977, it has a horizontal two-piece dark brown plastic case measuring approximately 143mm x 65mm x 23-30mm and weighing 124g without batteries. The CQ-1 is powered …

Casio CQ-1 Read More